ConfidenceIntervals
(andrelatedcalculations)
usingStatCrunch
CIforpopulationmeaninStatCrunch
1. If use raw data and the population standard deviation is known use
(1) Stat Z statistics One sample with data
(2) Select variable and specify the population st
Stat 202
Midterm 2 Review
Remember: Show work to receive partial credit.
1. Ricky rolls two die at the same time.
a. Find the probability that both die roll a 6.
b. Find the probability that both die roll an odd number.
2. What value would be needed to co
Name_
Lab #1: Intro to StatCrunch-Graphs and Descriptive Statistics
STAT 202
You will use StatCrunch to answer the following questions.
Your lab should be submitted as a Word document. Please copy and paste any graphs that you create into your
lab documen
Edgar Li
Business Statistics
04.09.13
Estimate the proportion, p, of students wearing pants today with 95% confidence using
the statistic, p^, found from this class. *p^ = proportion
N = 15
X = number of students wearing pants
P^ = 3/5 = 0.20
Write the di